This 90° bidirectional glass door hinge features a solid brass body with a polished chrome finish, certified by salt spray testing for high impact resistance and excellent rust/corrosion protection, offering a sleek metallic luster that complements modern home styles. It is compatible with 5/16"~1/2" (8-12mm) thick tempered glass and requires precise notching as per the size chart on the main page to ensure a seamless hinge-glass connection. The 5mm thickened base design gives it a net weight of 710g (1.6 lbs), with a single set supporting 25kg and two sets combined bearing up to 50kg. The reinforced brass base with precision screw fixation ensures no sagging or shaking over time. The hinge allows 90° bidirectional opening and includes a ±15° elastic reset damping mechanism for automatic soft closing, tested to 100,000 cycles for durability. Its compact 2.7"×1.92"×1.5" size suits various scenarios like bathroom shower doors and office glass partitions. Professional installation is recommended to confirm notching position and ensure accuracy.